2-Bromo-5-phenyl-1,3,4-oxadiazole

CAS: 51039-53-3

Category: Organic Intermediates

PurityResearch Grade ≥98%; High-Purity Grade ≥99%
Molecular FormulaC8H5BrN2O
Molecular Weight225.04
AppearanceWhite to light yellow crystalline powder or solid
Packaging1 g, 5 g, 25 g aluminum foil bag or amber glass bottle; bulk quantities supplied in sealed nitrogen-filled containers
Testing IndicatorsAppearance — Visual inspection; Identification — FTIR spectroscopy and 1H NMR / 13C NMR; Molecular structure confirmation — HRMS or LC-MS; Purity — HPLC-UV; Bromine content — ICP-OES or elemental analysis; Residual solvents — GC-MS according to ICH Q3C guidelines; Water content — Karl Fischer titration; Melting point — Capillary melting point determination; Elemental composition — CHN elemental analysis.
Storage NotesStore in a cool, dry, and well-ventilated area away from moisture, heat, and direct sunlight. Keep containers tightly sealed. Long-term storage under inert atmosphere such as nitrogen or argon is recommended. Avoid contact with strong oxidizing agents, strong acids, and strong bases.
Lead Time10 days
Used as a brominated oxadiazole intermediate in organic synthesis. It is mainly applied in the preparation of heterocyclic compounds, organic electronic materials, OLED-related functional molecules, pharmaceutical research intermediates, and advanced aromatic building blocks. The bromine substituent enables further cross-coupling reactions for molecular modification.